4-hydroxy-1-benzothiophene-6-carboxylic acid CAS 33880-31-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33880-31-8 |
| Molecular Formula | C9H6O3S |
| Molecular Weight | 194.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-hydroxy-1-benzothiophene-6-carboxylic acid (CAS 33880-31-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H6O3S. Molecular weight: 194.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H6O3S |
| Molecular Weight | 194.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Sulfur Atoms | 1 |
Related hydroxy Standards
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Recommended Standards
- 4H-Thiochromen-4-one 1,1-dioxide (CAS 22810-27-1)
- 4-Amino-6-(furan-2-yl)-1,3,5-triazine-2-thiol (CAS 870692-91-4)
- 4-Isothiocyanato-2-methyl-1-nitrobenzene (CAS 285125-75-9)
- N-(2,4-Dimethylphenyl)-4-nitrobenzenesulfonamide (CAS 111499-33-3)
- L-Histidine Hydrochloride Monohydrate (CAS 5934-29-2)
- 1-(3,5-Difluorophenyl)cyclopentanol (CAS 1344015-79-7)
- Tert-butyl (4-methylbenzo[d]thiazol-2-yl)carbamate (CAS 936827-72-4)
- 1-(3-Nitropyridin-2-yl)azetidine-3-carboxylic acid (CAS 866156-87-8)
- 4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinol (CAS 183320-72-1)
- D-allo-Thr5-Semaglutide (CAS CATO-C4X-2226243)
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